Home / 156,677,889.60-234,867,535.20-122,115,124.80

Finding the Fourth Proportional to 156,677,889.60, 234,867,535.20 and 122,115,124.80

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Solution

The fourth proportional to 156,677,889.60, 234,867,535.20 and 122,115,124.80 is: 183,056,323.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,677,889.60 : 234,867,535.20 = 122,115,124.80 : x
  2. Step 2: Convert to fraction form
    156,677,889.60/234,867,535.20 = 122,115,124.80/x
  3. Step 3: Cross multiply
    156,677,889.60x = 234,867,535.20 × 122,115,124.80
  4. Step 4: Simplify right side
    156,677,889.60x = 28,680,878,372,416,392
  5. Step 5: Solve for x
    x = 28,680,878,372,416,392/156,677,889.60
  6. Step 6: Final answer
    x = 183,056,323.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.